of charges +75 , +48 and -85 μC are places in a line (see the figure ) the center one is 0.35 m from each of the others calcula

Q: Calculate the fraction of reflected ultrasound energy when ultrasound waves cross from soft tissue…

A: Given data: The acoustic impedance for soft tissue is z1=1.60 x 106 kg m-2 s-1. The acoustic…

Q: ing simple harmonic motion has an amplitude of 5.00 cm and a maximum speed of 30.0 cm/s. What is the…

A:

Q: Determine the amount of electrical energy (in J) used by the following devices when operated for the…

A:

Q: ch fi

A:

Q: Two ships, A and B, leave port at the same time. Ship A travels northwest at 24 knots and ship B…

A: velocity of ship A =vA→=24-i^+j^2 velocity of ship B =vB→=28-sin36oi^-cos36°j^

Q: A transverse wave is traveling on a string stretched along the horizontal x-axis. The equation for…

A:

Q: How POLARIZATION DO OCCUR IN SCATTERING & REFLECTION OF LIGHT?

A: One way to polarize light is by reflection. If a beam of light strikes an interface so that there is…

Q: A truck covers 40.0m in 8.50s while smoothly slowing down to a final velocity of 2.80m/s. a. What is…

A:

Q: 2.

A:

Q: 3. In the circuit shown in the figure below, find (a) the current in each branch of the circuit, and…

A:

Q: A 15-kg solid gold statue is being raised from a sunken ship. What is the tension in the hoisting…

A:

Q: . The velocity of a falling ball in a viscous fluid is explained by the following relationship a. F=…

A: According to Newton's, the frictional (or viscous force ) between two layer depends upon the…

Q: Calculate: core/cladding interface The angle of refraction at the air/core interface, 0, critical…

A:

Q: Q1: A particular intrinsic semiconductor has a bandgap energy of 1.32 eV and has a resistivity of 60…

A:

Q: Problem 2. Projectile Motion: A projectile is fired from the edge of a cliff as shown in the figure.…

A:

Q: 5.25 kg is suspended from a cord that can be moved vertically up or down. Find the magnitude and…

A: Given:-  The mass of the object m = 5.25 kg  The tension in a cord is T = 21 N  Find:-  The…

Q: 1) Find the magnetic Force on a.4C charged particle moving with velocity v=4i+5j-3k and B = 2i -5j…

A:

Q: A commuter train passes a passenger platform at a constant speed of 37.0 m/s. The train horn is…

A:

Q: Question A7 A nuclear fission reactor uses nuclear reactions, of which the following is typical:…

A:

Q: Zinc Zn nucleus produced in a nuclear reactor undergoes beta-plus decay. Determine the daughter…

A:

Q: 20. Consider two pipes of the same length: one pipe is open at both ends and the other pipe is…

A:

Q: use it to calculate a frequency table for variable C. Do the frequencies in the table you calculated…

A: For this problem the data table given is to be analyzed and counted for the frequencies for the…

Q: 2. Charged partiele interactions and energy conservation A stationary charge, Q = + 31.0µC, remains…

A: GivenQ=+31 μCq=+7.7 μCm=1.18×10-5 kgMoving charge starts at position A with initial velocity, vA=892…

Q: Two equal charges of +8microC are separated by 1.6mm. Determine the force between the charges. Tell…

A:

Q: A cord is wrapped around a pulley that is shaped like a disk of mass m and radius r. The cord's free…

A: (b) For calculating the acceleration the followings concepts shall be used 1. Net force acting on…

Q: orchid pot is supported by two wires which make the same angle of 60o with an overhead horizontal…

A: Given:-  The mass m = 2.50 kg  A orchid pot is supported by two wires which make the same angle of…

Q: A force with magnitude 45 N acts directly upward from the xy-plane on an object with mass 9 kg. The…

A: acceleration, a→=Fm→=45k^9=5k^ m/s2

Q: When a mass of m = 184 g is attached to a spring and the mass-spring system is set into…

A: a) frequency f=1/T=10.447=2.237136465 Hz

Q: What is the force of a 35 kg object that falls from the sky and hits the ground, without air…

A:

Q: PROBLEM 3: An electron follows a circular path of radius 0.20 m in a uniform magnetic field of 0.3T.…

A: Given, radius of the circular path of an electron, r = 0.20 m magnetic field in the region, B = 0.3…

Q: 5. A constriction in a pipe reduces its diameter from 4.0 cm to 2.0 cm. In the narrow part of the…

A: Given: The diamter of the wide pipe is 4 cm. The diameter of the narrow pipe is 2 cm. The speed of…

Q: The formula for the volume of a sphere is V =TR. The radius of a sphere is increased by 11.0%. This…

A: Given(s): We are dealing with a sphere. Radius is increased by 11.0%, Required: Change in volume.

Q: At what depth does a focused ultrasound beam traveiling in tissue begin to diverge if the transducer…

A: Near field depth = active aperture squared/wavelength

Q: 0.25 m tall object is placed 0.41 m from a converging lens with a 0.11 m focal length. How tall is…

A: Given: The height of the object is 0.25 m. The location of the object is 0.41 m in front of the…

Q: A 32 cm x 20 cm stained glass window is 16.0 mm thick and made of a glass with thermal conductivity…

A:

Q: An alpha particle (He**) moves at 3.41E+07 m/s perpendicular to a magnetic field. The field causes…

A:

Q: What can you say about Coulomb forces between two charges +1uC and +2µC separated by distance 1 um…

A: electric force is directed along th line joining the two charges

Q: CALCULATE THE CURRENT FOR R1 ON THE RESISTIVE NETWORK SHOWN BELOW.

A: Required : Current through R1

Q: •A ball starts from rest at the highest pant of a G0° mcdine, at a 'heght of 25m above gound.…

A: Simply put v=√2gh g=9.81m/sec2 h=25m

Q: 2 moles of ideal oxygen gas are kept at 273 K in a volume of 11.35 dm3 with a molar heat capacity at…

A:

Q: what will happen if an eyeglasses has: a. two converging lens b. two diverging lens c. both…

A: if an eyeglasses has both converging and diverging lens

Q: A certain gas initially occupies 4.0 m3 while at a temperature of 40 oC and a pressure of 1.2 atm.…

A:

Q: A metal sphere with radius R is wrapped with a uniform dielectric layer, as shown in the figure on…

A:

Q: In a perfectly ELASTIC collision between two perfectly rigid objects the momentum of the system is…

A: elastic energy conserves both kinetic energy and momentum of the system

Q: A man went jogging one early morning.He started from his home and arrived at imelda park, 350 meter…

A: Given: Straight line distance between his home and imelda park, d = 350 m (time taken = 10 min  =…

Q: Charges Q1 = + 3.2 x 10-19 C and Q2 = - 4.8 x 10-19 C are located at x = 5.0 cm and x = 10.0 cm,…

A: Let potential be zero at x=x0

Q: The input to a system is a current 1, and the output of the system is the power (p) consumed by a…

A: a) The output depends on the square of input. Hence. The system is not linear. Answer is no

Q: 4. In the circuit shown in the figure below, the switch S is initially open and the capacitors…

A:

Q: Find the frequency of X-rays of wavelength 2 x 10-10 m. Write your answer in exa-hertz.

A:

Q: To make an electric generator, a 142-turn square coil of side 20.0 cm rotates about a vertical axis…

A: Write the given values with the suitable variables. N=142a=20 cm=0.2 mω=25 rev/s=50π rad/sB=0.7…